{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x76b2e6887336a7749aafeb0029064349f839fe3be4774ac83f618673c6e860ec",
    "signature": "0xae4cd086fa1587dc38ba186b44f9286ac841b64464f751a298876566a59709a356abd4d32c346276d2ba1daf73fd796e9eeed5eb1fc4894bdf39b2bae61ccead1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}